Home / 1,055,110.47-1,582,661.60-256,394.37

Finding the Fourth Proportional to 1,055,110.47, 1,582,661.60 and 256,394.37

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Solution

The fourth proportional to 1,055,110.47, 1,582,661.60 and 256,394.37 is: 384,590.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,110.47 : 1,582,661.60 = 256,394.37 : x
  2. Step 2: Convert to fraction form
    1,055,110.47/1,582,661.60 = 256,394.37/x
  3. Step 3: Cross multiply
    1,055,110.47x = 1,582,661.60 × 256,394.37
  4. Step 4: Simplify right side
    1,055,110.47x = 405,785,523,855.19
  5. Step 5: Solve for x
    x = 405,785,523,855.19/1,055,110.47
  6. Step 6: Final answer
    x = 384,590.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.